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I used Vibrant on two tanks. The first tank has LPS, including octopus & hammer corals as well as soft corals such as mushrooms. Vibrant removed all the unwanted algae & more. The tank looked cleaner but the polyps of the octopus & hammer corals receded or closed up. All the mushrooms, including yumas shrank in size & looked shrivelled. This tank has a protein skimmer. In the second tank without a protein skimmer, all the unsightly algae disappeared & the gravel becomes cleaner. This tank has mostly yumas but they are unaffected. I dosed twice a week for both tanks for a few weeks.

For the first tank, I have stopped dosing. All the affected corals have recovered except for one specie of purple mushrooms. I do not know why they are adversely affected by the bacteria from Vibrant. As for the second tank, I have reduced the dosing to once a week.